#64697C#64697C

#64697C is a mid, muted blue. Relative luminance 0.143; OKLCH L 52.3% C 0.031 H 273.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#64697C
RGB	rgb(100, 105, 124)
HSL	hsl(228, 11%, 44%)
HSV	hsv(228, 19%, 49%)
CMYK	cmyk(19.4%, 15.3%, 0%, 51.4%)
CIE-LAB	lab(44.61, 2.44, -11.20)
CIE-LCH	lch(44.61, 11.46, 282.29°)
OKLab	oklab(52.34% 0.002 -0.0305)
OKLCH	oklch(52.34% 0.031 273.7)
XYZ	xyz(13.9443, 14.2675, 21.0841)
Luminance	0.1427 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64697C #7C7764

analogous

#64757C #64697C #6B647C

triadic

#64697C #7C6469 #697C64

tetradic

#64697C #7C6475 #7C7764 #647C6B

square

#64697C #7C6475 #7C7764 #647C6B

split-complementary

#64697C #7C6B64 #757C64

monochromatic

#2D3038 #494C5A #64697C #83889B #A4A8B6

Accessibility & contrast

On white

5.45

#64697C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#64697C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64697C

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64697C	#FFFFFF	#000000	##FFFFFF
##64697C	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646B7D

Deuteranopia (green-blind)

#62697C

Tritanopia (blue-blind)

#5E6C6F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #64697c;
/* rgb */ color: rgb(100, 105, 124);
/* oklch */ color: oklch(52.3% 0.031 273.7);

Tailwind

colors: {
  custom: {
    50: '#9093a2',
    500: '#64697c',
    950: '#000000',
  },
}

SCSS

$custom: #64697c;
$custom-light: #9093a2;
$custom-dark: #000000;

JSON

{
  "hex": "#64697c",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 124
  },
  "hsl": {
    "h": 227.5,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52339,
    "c": 0.03052,
    "h": 273.7
  },
  "luminance": 0.14268
}

Semantic roles & 50–950 ramp

primary

#64697C

secondary

#A5A297

accent

#A674B4

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0F

muted

#7D7E7E

Preview Lab

Preview with #64697C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →